of the Amazon Valley. 333 
134. Heterochroa Cocala, Cramer. 
Papilio Cocala, Cram. 242 F, &. 
A common species throughout the Amazons region, on the borders 
of broad paths in the forest, flying over the lower trees. 
135. Heterochroa Plesaure, Hiibner. 
Heterochroa Plesaure, Hiibn. Zutrage, f. 251, 2. 
Nymphalis Phliassa, Godart, Ene. Méth. ix. p. 375, n. 78. 
Also a common species in the forest, especially at Para and on the 
banks of the Lower Amazons. 
136. Heterochroa Cytherea, Linnzus. 
Papilio Cytherea, Linn. Syst. Nat. ii. p. 785, n. 210. 
, Clerck, Icones, t. 39. f. 3. 
—— Elea, Cramer, 242 D, E. 
The most widely distributed and abundant species of the genus 
in Tropical America. It occurs throughout the year; flying over 
bushes and the lower trees in sunny places in the forest and in 
thinned woods. The species which Cramer mistook for the H. Cy- 
therea of Linnzeus, and which he figured in his plate 276 ¢, p, is a 
distinct species. It appears not to be the same as H. [phicla of Lin- 
neus, although Westwood, in Doubleday and Hewitson’s ‘ Genera,’ 
places it as a synonym. 
137. Heterochroa Mesentina, Cramer. 
Papilio Mesentina, Cramer, 162 B, c, ¢ (1779). 
Mesenteria, Fab. Sp. Ins. ii. p. 105 (1781). 
The female of this handsome species, which is much rarer than the 
male, differs from its partner, besides its paler colour, in the presence 
of a dingy-white belt on the hind wing, crossing the end of the cell, 
and not reaching the abdominal border. The males resort to muddy 
places on the margins of streams. he species is widely distributed 
in the Amazons region, and is found also at Surinam. 
Genus Apatura, Fabricius and Authors. 
138. Apatura Agathina, Cramer. 
Papilio Agathina, Cram. 167 £, F, 3. 
Agathina, Hiibner, Zutr. f. 765, 766, 3. 
The female of this species resembles the insect figured by Hubner 
(Zutr. f. 617, 618) as Dowocopa Marse, which, according to Mr. 
Westwood (Dbld. & Hewits. Gen.), is the female of Apatura Vacuna 
